Additive mixture ofcolortrichroism is red,green and blue,subtractive mixture,as its complementary colors,is cyan,ma genta and yellow,thatis the dyestuff trichroism.

颜色加法三原色为红、绿、蓝色,减法三原色则它们补色,即:青、品红黄色,染料三原色后者。

Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate,7% aromatic compound,1% formaldehyde( water solution),1% styrene.

结果居常见致敏原前5位化学物质分别0.1%柳汞、5%、7%芳香物、1%甲醛(水溶液)、1%肉桂醇。

The prognosis of malignant mixed tumor is poor due to local recurrence and distant metastasis in half of these patients via hemtogenous and lymphogenous spread-ings.

由于恶性瘤可经由血液及淋巴转移，半数患者有局部复发远处转移现象，所以预后不佳。